"It's not petting sharks or pushing them off to maintain a respectable space that is hurting sharks... it's the wasteful and cruel practice of grabbing and catching sharks to cut off their fins (which slowly kills them)."

She describes how she waited patiently for the shark to approach on its way to feed on the carcass of a dead sperm whale.

Image:The great white shark was last seen in 2014

But Deep Blue instead "swam away escorted by two rough-toothed dolphins... to one of my @oneoceandiving shark research vessels and proceeded to use it as a scratching post, passing up feeding for another need".